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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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    <script src="js/axios.js"></script>
    <script>
        axios.defaults.baseURL = 'http://localhost:3000/';

        // async function queryData(id) {
        //     const ret = await axios.get('/data');
        //     return ret;
        // }
        // queryData().then(ret => {
        //     console.log(ret)
        // })

        async function queryData() {
            var info = await axios.get('async1');
            var ret = await axios.get('async2?info=' + info.data);
            return ret.data;
        }

        queryData().then(function (data) {
            console.log(data);
        })
    </script>
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